4/13/2007 @ 12:01AM

In Pictures: Inside America's Super-Pricey Apartments

Miami

$25 million

7,400 square feet

$3,378.37 per square foot

An oceanfront, three-level penthouse in South Beach is difficult to come by. This one has 13-foot ceilings, five bedrooms and seven baths. It is in a gated enclave which has a spa, three tennis courts and three pools.